TY  - BOOK
AU  - Perrin, W. F.
AU  - Wursig, Bernd G.
AU  - Thewissen, J. G. M.
TI  - Encyclopedia of marine mammals
SN  - 9780123735539
U1  - 599.503 21
PY  - 2009///
CY  - Amsterdam
PB  - Academic Press
KW  - Marine mammals
KW  -  Encyclopedias
N1  - Includes bibliographical references
ER  -